Use ScriptLoader::errorOccurred() instead of Resource in ScriptLoader

third_party/WebKit/Source/core/dom/ScriptLoader.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights
  * reserved.
  * Copyright (C) 2008 Nikolas Zimmermann <zimmermann@kde.org>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 814 matching lines @@
       dispatchLoadEvent();
     else
       dispatchErrorEvent();
   }
   m_resource = nullptr;
 }
 
 void ScriptLoader::pendingScriptFinished(PendingScript* pendingScript) {
   DCHECK(!m_willBeParserExecuted);
   DCHECK_EQ(m_pendingScript, pendingScript);
+  DCHECK_EQ(pendingScript->resource(), m_resource);
 
   // We do not need this script in the memory cache. The primary goals of
   // sending this fetch request are to let the third party server know
   // about the document.write scripts intervention and populate the http
   // cache for subsequent uses.
   if (m_documentWriteIntervention ==
       DocumentWriteIntervention::FetchDocWrittenScriptDeferIdle) {
     memoryCache()->remove(m_pendingScript->resource());
     m_pendingScript->stopWatchingForLoad();
     return;
   }
 
   DCHECK(m_asyncExecType != ScriptRunner::None);
 
   Document* contextDocument = m_element->document().contextDocument();
   if (!contextDocument) {
     detachPendingScript();
     return;
   }
 
-  DCHECK_EQ(pendingScript->resource(), m_resource);
-
-  if (m_resource->errorOccurred()) {
+  if (errorOccurred()) {
     contextDocument->scriptRunner()->notifyScriptLoadError(this,
                                                            m_asyncExecType);
     detachPendingScript();
     dispatchErrorEvent();
     return;
   }
   contextDocument->scriptRunner()->notifyScriptReady(this, m_asyncExecType);
   m_pendingScript->stopWatchingForLoad();
 }
 
@@ skipping 49 matching lines @@
   if (isHTMLScriptLoader(element))
     return toHTMLScriptElement(element)->loader();
 
   if (isSVGScriptLoader(element))
     return toSVGScriptElement(element)->loader();
 
   return 0;
 }
 
 }  // namespace blink